The Sign of Four
Mary Morstan has received a pearl in the post every year since her father's disappearance. This leads Holmes and Watson to the truth about a secret pact between four convicts during the Indian Rebellion of 1857.
- Year : 1987
- Country : United Kingdom
- Genre : TV Movie, Adventure, Crime, Mystery, Thriller
- Studio : Granada Television
- Keyword : treasure, based on novel or book, river, doctor, sherlock holmes
- Director : Peter Hammond
- Cast : Jeremy Brett, Edward Hardwicke, Jenny Seagrove, Ronald Lacey, John Thaw, Emrys James